Black dog .22 drum?

Hey guys once again have a question! Was just looking at the black dog drums online really wanting to get one for plinking in the back yard. But I can't find what model .22s they'll. fit I have a colt m4 carbine ops edition so does any one know if the drum will work with my gun?

Hey guys once again have a question! Was just looking at the black dog drums online really wanting to get one for plinking in the back yard. But I can't find what model .22s they'll. fit I have a colt m4 carbine ops edition so does any one know if the drum will work with my gun?

I know for a fact they make it for a 10/22 and a m&p15 .22. And looking at their official site they aren't making one for the colt/m4 .22's.
From what i read at least.

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